package com.onesports.intelligent.k12.polarlight.util;

import com.onesports.intelligent.k12.polarlight.common.errors.exceptions.BusinessException;
import org.springframework.beans.BeanUtils;

import java.util.ArrayList;
import java.util.List;
import java.util.function.Supplier;

/**
 * 集合数据的拷贝
 * @author  sha1024
 */
public class BeanCopyUtil extends BeanUtils {

    /**
     * 集合数据的拷贝
     * @param sources: 数据源类
     * @param target: 目标类::new(eg: UserVO::new)
     * @return
     */
    public static <S, T> List<T> copyListProperties(List<S> sources, Supplier<T> target) {
        return copyListProperties(sources, target, null);
    }


    /**
     * 带回调函数的集合数据的拷贝（可自定义字段拷贝规则）
     * @param sources: 数据源类
     * @param target: 目标类::new(eg: UserVO::new)
     * @param callBack: 回调函数
     * @return
     */
    public static <S, T> List<T> copyListProperties(List<S> sources, Supplier<T> target, BeanCopyUtilCallBack<S, T> callBack) {
        List<T> list = new ArrayList<>(sources.size());
        for (S source : sources) {
            T t = target.get();
            copyProperties(source, t);
            list.add(t);
            if (callBack != null) {
                // 回调
                callBack.callBack(source, t);
            }
        }
        return list;
    }

    public static <S,T> List<T> copyListProperties(List<S> sources,Class<T> target){
        List<T> list = new ArrayList<>(sources.size());
        sources.forEach(i->{
            try {
                T instance = target.newInstance();
                copyProperties(i,instance);
                list.add(instance);
            }catch (Exception e){
                throw new BusinessException(e.getMessage()+"-->BeanUtils错误");
            }
        });
        return list;
    }
}

